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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2023, Volume 64, Issue 6, Pages 44–52
DOI: https://doi.org/10.15372/PMTF202215170 (Mi pmtf3198) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Numerical simulation of the gas dynamics of nitrogen jets exhausting into a rarefied space

A. V. Zaitsev, L. V. Yarkov

Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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DOI: https://doi.org/10.15372/PMTF202215170
Abstract: A nitrogen jet expanding during its exhaustion from a nozzle into a vacuum chamber is numerically simulated by a hybrid approach. The flow parameters in the nozzle and in the near field of the jet are determined by solving the Navier–Stokes equations by using the ANSYS Fluent software. The gas flow at large distances from the nozzle exit is modeled by the Direct Simulation Monte Carlo method by using the SMILE software system. Such an approach makes it possible to perform sufficiently accurate simulations in the near field of the jet; moreover, the temperature nonequilibrium of the expanding gas jet and other effects of rarefaction in the far field of the jet are taken into account. The approach is verified by using various approximate analytical models of gas exhaustion into vacuum. A comparison of the numerical results with available experimental data shows that they are in good agreement.
Keywords: numerical simulation, Direct Simulation Monte Carlo method, rarefied gas, jet flows, nonequilibrium flows.
Funding agency Grant number
Russian Science Foundation 22-19-00750
Received: 15.07.2022
Revised: 12.05.2023
Accepted: 29.05.2023
English version:
Journal of Applied Mechanics and Technical Physics, 2024, Volume 64, Issue 6, Pages 979–986
DOI: https://doi.org/10.1134/S0021894423060068
Bibliographic databases:
Document Type: Article
UDC: 533.6.011
Language: Russian
Citation: A. V. Zaitsev, L. V. Yarkov, “Numerical simulation of the gas dynamics of nitrogen jets exhausting into a rarefied space”, Prikl. Mekh. Tekh. Fiz., 64:6 (2023), 44–52; J. Appl. Mech. Tech. Phys., 64:6 (2024), 979–986
Citation in format AMSBIB
\Bibitem{ZaiYar23}
\by A.~V.~Zaitsev, L.~V.~Yarkov
\paper Numerical simulation of the gas dynamics of nitrogen jets exhausting into a rarefied space
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2023
\vol 64
\issue 6
\pages 44--52
\mathnet{http://mi.mathnet.ru/pmtf3198}
\crossref{https://doi.org/10.15372/PMTF202215170}
\elib{https://elibrary.ru/item.asp?id=54943517}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2024
\vol 64
\issue 6
\pages 979--986
\crossref{https://doi.org/10.1134/S0021894423060068}
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